William Alexander Louis StephenDouglas-Hamilton, 12th Duke of Hamilton was born on 12 March 1845 at Connaught Place, Paddington, London, EnglandG.1 He was the son of William Alexander Anthony ArchibaldHamilton, 11th Duke of Hamilton and Marie Amelie Elisabeth KarolinePrinzessinvonBaden.3 He married LadyMary Louise ElizabethMontagu, daughter of William DrogoMontagu, 7th Duke of Manchester and Luise Friederike AugusteGräfinvonAlten, on 10 December 1873 at Kimbolton, Huntingdonshire, EnglandG.1 He died on 16 May 1895 at age 50 at Algiers, AlgeriaG, without male issue.4 He was styled as Earl of Angus between 1845 and 1852.1 He succeeded as the Marquess of Douglas between 1852 and 1863.1 He was educated in 1859 at Eton College, Windsor, Berkshire, EnglandG.1 He succeeded as the 9th Marquess of Douglas [S., 1633] on 15 July 1863.3 He succeeded as the 9th Earl of Angus [S., 1633] on 15 July 1863.3 He succeeded as the 12th Duke of Hamilton [S., 1643] on 15 July 1863.1 He succeeded as the 12th Marquess of Clydesdale [S., 1643] on 15 July 1863.3 He succeeded as the 9th Lord Abernethy and Jedburgh Forest [S., 1633] on 15 July 1863.3 He succeeded as the 11th Earl of Lanark [S., 1639] on 15 July 1863.3 He succeeded as the 12th Lord Aven and Innerdale [S., 1643] on 15 July 1863.3 He succeeded as the 12th Earl of Arran and Cambridge [S., 1643] on 15 July 1863.3 He succeeded as the 9th Duke of Brandon [G.B., 1711] on 15 July 1863.1 He succeeded as the 9th Baron of Dutton [G.B., 1711] on 15 July 1863.3 He succeeded as the 11th Lord Machansyre and Polmont [S., 1639] on 15 July 1863.3 He matriculated at Christ Church, Oxford University, Oxford, Oxfordshire, EnglandG, on 20 October 1863.1 He was created Duc de Châtellérault [France] on 20 April 1864.1 He was appointed Knight, Order of the Thistle (K.T.) on 22 February 1878.1 In 1882 the contents of Hamilton Palace, including pictures, furniture and works of art, were sold at Christies in a sale lasting 17 days, raising a total of £400,000.4 He succeeded as the 8th Lord Daer and Shortcleuch [S., 1646] on 2 May 1886.5 He succeeded as the 8th Earl of Selkirk [S., 1646] on 2 May 1886.6 Gibbs quotes, "Had he not been unwieghted by any sense of responsibility and beset by all the deadly sins in a far greater degree than perhaps any other young nobleman of his standing, he might have been a strong plain man, and successful in many ways... at Christchurch he went in for boxing, as he went in later for horse-racing, yachting and other amusements... He was full bodied, of a rudely rudddy complexion, had a powerful neck, and seemed strong enough to fell an ox with his fist... He had a frankness of speech bordering on rudeness."4